Home / 9,200.90-13,798.38-3,935.78

Finding the Fourth Proportional to 9,200.90, 13,798.38 and 3,935.78

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Solution

The fourth proportional to 9,200.90, 13,798.38 and 3,935.78 is: 5,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.90 : 13,798.38 = 3,935.78 : x
  2. Step 2: Convert to fraction form
    9,200.90/13,798.38 = 3,935.78/x
  3. Step 3: Cross multiply
    9,200.90x = 13,798.38 × 3,935.78
  4. Step 4: Simplify right side
    9,200.90x = 54,307,388.04
  5. Step 5: Solve for x
    x = 54,307,388.04/9,200.90
  6. Step 6: Final answer
    x = 5,902.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.